contaminant
US /kənˈtæm.ə.nənt/
UK /kənˈtæm.ə.nənt/
1.
污染物, 杂质
a substance or thing that makes something else impure or polluted
:
•
The factory was fined for releasing harmful contaminants into the river.
该工厂因向河流排放有害污染物而被罚款。
•
Even a small amount of the contaminant can ruin the entire batch.
即使是少量的污染物也能毁掉整批产品。